This study was supported by grants from the Key Clinical Specialty Discipline Construction Program of Fujian,Grant/Award Number:2017ZDZKSB;Fujian Clinical Medical ResearchCenter for Immune Kidney Disease,Grant/Award Number:2021Y2016。
Immunoglobulin A nephropathy(IgAN)is the most common primary glomerular disease,and the“four-hit”theory represents its currently accepted pathogenic mechanism.Mucosal immunity triggered by infections in the respirat...